VA 8 C U L A R PLANTS. 131 



10. Calochortus, Pursh. 



Perigonium 6-phyllous, deciduous; 3 exter- 

 nal segments smaller and lanceolate; 3 internal, 

 broad, with a conspicuous nectariferous gland 

 near the base. Ovary oo-ovulate; style 0; stig- 

 mas 3, reflexed, persistent. 



2£. bulbous. 



Family xcvii. Melanthaceae. 



Anthers extrorse. Ovary 3-locular; styles 3, 

 Capsule septicidous. Testa of the seed not 

 crustaceous. 



1. Scoliopus, Ton-. 



Perigonium 6-phyllous, spreading, deciduous; 

 3 external segments lanceolate; 3 internal linear. 

 Stamens 3, inserted at the base of the external 

 segments; anthers 2-locular, attached above the 

 base. Ovary 3-quetrous, 1-locular, with 3 par- 

 ietal placentae; ovules 2-seriate on each; styles 3, 

 linear, persistent, recurved, canaliculate. Cap- 

 sule irregularly dehiscent. 



li . leaves 2 ; peduncles long, 1-flowered, ar- 

 ranged in an umbel. 



2. Zygadenus, Michx. 



Perigonium 6-phyllous ; segments unguiculate, 

 2-glandular at the base, persistent. Stamens 

 6 3 inserted on the claw; anthers reniform. 

 Ovary 3-locular, oo-ovulate; styles 3, divergent. 

 Capsule septicidal. 



